Home / 87,291.61-130,934.82-24,115.52

Finding the Fourth Proportional to 87,291.61, 130,934.82 and 24,115.52

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Solution

The fourth proportional to 87,291.61, 130,934.82 and 24,115.52 is: 36,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,291.61 : 130,934.82 = 24,115.52 : x
  2. Step 2: Convert to fraction form
    87,291.61/130,934.82 = 24,115.52/x
  3. Step 3: Cross multiply
    87,291.61x = 130,934.82 × 24,115.52
  4. Step 4: Simplify right side
    87,291.61x = 3,157,561,270.41
  5. Step 5: Solve for x
    x = 3,157,561,270.41/87,291.61
  6. Step 6: Final answer
    x = 36,172.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.